Oakland A's American League playoff scenarios

-- Yankees lose to Red Sox and have same record as A's: A's have tiebreaker and would be No. 1 seed in playoffs. They would open against No. 4 seed Sunday on the road.

-- Yankees beat Red Sox and finish one game ahead of A's: A's would be No. 2 seed and would open ALDS against third-seeded Detroit on Saturday in Comerica Park.

-- Orioles beat Tampa Bay and Yankees lose to Red Sox: A's also have tiebreaker over Orioles and would be No. 1 seed in playoffs. They would open against No. 4 seed Sunday on the road.

If the A's lose to Texas and finish second in A.L. West:

-- Orioles beat Tampa Bay and finish one game ahead of Oakland: A's would play Baltimore in wild-card game Friday at Camden Yards.

-- Orioles lose to Tampa Bay and finish with same record as A's: A's hold tiebreaker and would host Orioles on Friday. Winner would advance to ALDS beginning Sunday in home park of wild-card winner.

-- Orioles beat Tampa Bay and Yankees lose to Red Sox: Orioles and Yankees would play one-game tiebreaker Thursday at Camden Yards to determine A.L. East champion. A's would visit loser of Orioles-Yankees tiebreaker in one-game wild-card playoff on Friday. Winner would advance to ALDS against No. 1-seeded team, with series beginning Sunday at home of the lower-seeded team.